🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.1

Radius: 8.6

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.71 AU - 0.89 AU

Year: 494 Days

Day: 10 Hours

Environment

Temp: -162 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,966,620 km

• M1: 106,962 km (0.104 R)
• M2: 394,639 km (0.07 R)
• M3: 780,901 km (0.112 R)
• M4: 1,339,948 km (0.03 R)
• M5: 1,819,110 km (0.115 R)
• M6: 2,213,450 km (0.101 R)
• M7: 2,693,659 km (0.065 R)
• M8: 3,022,625 km (0.116 R)
• M9: 3,471,568 km (0.09 R)
• M10: 3,749,521 km (0.056 R)
• M11: 4,517,257 km (0.107 R)
• M12: 5,291,277 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.9

Radius: 10.9

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.25 AU - 1.31 AU

Year: 1000 Days

Day: 5.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 19,966,620 km

• M1: 135,536 km (0.092 R)
• M2: 606,171 km (0.081 R)
• M3: 1,035,367 km (0.093 R)
• M4: 1,568,085 km (0.109 R)
• M5: 2,143,289 km (0.067 R)
• M6: 2,797,630 km (0.095 R)
• M7: 3,178,506 km (0.066 R)
• M8: 3,689,831 km (0.106 R)
• M9: 4,046,024 km (0.093 R)
• M10: 4,995,970 km (0.113 R)
• M11: 5,820,404 km (0.108 R)
• M12: 6,405,332 km (0.118 R)
• M13: 7,511,907 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.9

Radius: 8.7

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.31 AU - 1.35 AU

Year: 1059 Days

Day: 9.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,966,620 km

• M1: 108,159 km (0.099 R)
• M2: 394,938 km (0.092 R)
• M3: 713,731 km (0.081 R)
• M4: 1,361,939 km (0.094 R)
• M5: 1,785,750 km (0.049 R)
• M6: 2,162,138 km (0.087 R)
• M7: 2,568,296 km (0.113 R)
• M8: 2,862,705 km (0.097 R)
• M9: 3,562,673 km (0.034 R)
• M10: 3,960,903 km (0.078 R)
• M11: 4,690,791 km (0.043 R)
• M12: 5,151,552 km (0.043 R)
• M13: 5,939,484 km (0.097 R)
• M14: 6,522,318 km (0.104 R)
• M15: 6,805,506 km (0.08 R)
• M16: 7,514,301 km (0.115 R)
• M17: 8,271,565 km (0.063 R)
• M18: 8,577,942 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.8

Radius: 9.9

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.47 AU - 1.49 AU

Year: 1243 Days

Day: 14.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,966,620 km

• M1: 124,914 km (0.115 R)
• M2: 436,826 km (0.075 R)
• M3: 1,271,731 km (0.113 R)
• M4: 1,584,690 km (0.112 R)
• M5: 2,086,442 km (0.098 R)
• M6: 2,556,328 km (0.074 R)
• M7: 3,009,610 km (0.049 R)
• M8: 3,599,624 km (0.045 R)
• M9: 3,973,918 km (0.109 R)
• M10: 4,980,113 km (0.032 R)
• M11: 5,350,817 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.9

Radius: 11.8

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.4 AU - 2.46 AU

Year: 2615 Days

Day: 7.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 116.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 19,966,620 km

• M1: 146,756 km (0.09 R)
• M2: 541,993 km (0.097 R)
• M3: 950,395 km (0.073 R)
• M4: 1,326,335 km (0.084 R)
• M5: 1,972,149 km (0.104 R)
• M6: 2,708,769 km (0.085 R)
• M7: 3,716,759 km (0.114 R)
• M8: 4,138,326 km (0.104 R)
• M9: 4,525,036 km (0.034 R)
• M10: 4,983,105 km (0.071 R)
• M11: 5,599,299 km (0.109 R)
• M12: 6,238,082 km (0.06 R)
• M13: 6,865,794 km (0.067 R)
• M14: 7,441,447 km (0.081 R)
• M15: 8,049,113 km (0.064 R)
• M16: 9,657,739 km (0.04 R)
• M17: 11,018,182 km (0.104 R)
• M18: 12,950,239 km (0.094 R)
• M19: 13,548,182 km (0.084 R)
• M20: 15,300,421 km (0.109 R)
• M21: 16,872,246 km (0.094 R)
• M22: 18,955,995 km (0.094 R)
• M23: 20,829,559 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.2

Radius: 8.7

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.14 AU - 2.76 AU

Year: 2647 Days

Day: 12 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 19,966,620 km

• M1: 121,324 km (0.054 R)
• M2: 470,635 km (0.084 R)
• M3: 742,753 km (0.085 R)
• M4: 1,015,022 km (0.116 R)
• M5: 1,637,199 km (0.041 R)
• M6: 2,978,643 km (0.08 R)
• M7: 3,557,138 km (0.068 R)
• M8: 3,959,856 km (0.073 R)
• M9: 4,430,341 km (0.064 R)
• M10: 6,521,420 km (0.113 R)
• M11: 7,048,603 km (0.043 R)
• M12: 7,335,980 km (0.074 R)
• M13: 9,795,669 km (0.098 R)
• M14: 13,225,499 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.8

Radius: 9.6

Gravity: 10.11 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.41 AU - 2.73 AU

Year: 2844 Days

Day: 12.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 19,966,620 km

• M1: 119,529 km (0.12 R)
• M2: 1,057,657 km (0.072 R)
• M3: 1,527,544 km (0.077 R)
• M4: 2,215,395 km (0.071 R)
• M5: 2,807,503 km (0.068 R)
• M6: 3,295,192 km (0.117 R)
• M7: 3,677,415 km (0.066 R)
• M8: 4,463,103 km (0.084 R)
• M9: 4,764,393 km (0.096 R)
• M10: 5,104,130 km (0.1 R)
• M11: 9,991,791 km (0.106 R)
• M12: 10,550,390 km (0.082 R)
• M13: 11,045,708 km (0.11 R)
• M14: 13,856,054 km (0.058 R)
• M15: 15,165,035 km (0.096 R)
• M16: 15,478,592 km (0.081 R)
• M17: 16,335,639 km (0.103 R)
• M18: 16,775,905 km (0.105 R)
• M19: 20,843,771 km (0.058 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.3

Radius: 9.2

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.8 AU - 4.6 AU

Year: 4913 Days

Day: 12 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 19,966,620 km

• M1: 114,442 km (0.088 R)
• M2: 431,590 km (0.119 R)
• M3: 750,832 km (0.112 R)
• M4: 1,055,413 km (0.049 R)
• M5: 1,606,681 km (0.117 R)
• M6: 1,983,668 km (0.099 R)
• M7: 3,124,052 km (0.032 R)
• M8: 3,825,666 km (0.093 R)
• M9: 5,454,638 km (0.113 R)
• M10: 5,858,701 km (0.105 R)
• M11: 6,344,745 km (0.082 R)
• M12: 7,056,681 km (0.088 R)
• M13: 7,362,908 km (0.115 R)
• M14: 8,562,683 km (0.089 R)
• M15: 10,844,499 km (0.047 R)
• M16: 11,207,124 km (0.12 R)
• M17: 13,660,530 km (0.093 R)
• M18: 14,845,494 km (0.073 R)
• M19: 17,296,057 km (0.117 R)
• M20: 18,746,408 km (0.075 R)
• M21: 21,106,614 km (0.113 R)
• M22: 23,582,459 km (0.078 R)
• M23: 25,363,122 km (0.099 R)
• M24: 26,408,213 km (0.11 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.8

Radius: 13.3

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.18 AU - 5.46 AU

Year: 8470 Days

Day: 10.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 19,966,620 km

• M1: 167,101 km (0.081 R)
• M2: 1,277,865 km (0.049 R)
• M3: 2,688,124 km (0.095 R)
• M4: 3,332,143 km (0.095 R)
• M5: 3,842,870 km (0.091 R)
• M6: 4,840,837 km (0.116 R)
• M7: 5,369,068 km (0.075 R)
• M8: 6,505,263 km (0.112 R)
• M9: 7,427,983 km (0.052 R)
• M10: 9,485,851 km (0.103 R)
• M11: 9,968,604 km (0.104 R)
• M12: 10,417,248 km (0.083 R)
• M13: 10,931,416 km (0.097 R)
• M14: 11,354,927 km (0.119 R)
• M15: 12,691,883 km (0.116 R)
• M16: 13,761,658 km (0.076 R)
• M17: 20,109,544 km (0.117 R)
• M18: 23,084,148 km (0.097 R)
• M19: 23,606,993 km (0.079 R)
• M20: 25,777,957 km (0.115 R)
• M21: 27,783,915 km (0.09 R)
• M22: 28,475,207 km (0.038 R)
• M23: 30,305,537 km (0.108 R)
• M24: 32,213,059 km (0.049 R)
• M25: 34,425,013 km (0.078 R)
• M26: 38,293,315 km (0.086 R)
• M27: 41,282,430 km (0.094 R)
• M28: 43,359,447 km (0.07 R)

Asteroid Belt

Center: 6.59 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 21.4

Radius: 3.7

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.33 AU - 9.39 AU

Year: 15211 Days

Day: 20.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 19,966,620 km

• M1: 46,076 km (0.052 R)
• M2: 266,883 km (0.115 R)
• M3: 497,563 km (0.049 R)
• M4: 1,379,143 km (0.118 R)
• M5: 2,235,291 km (0.106 R)
• M6: 2,506,363 km (0.096 R)
• M7: 8,483,695 km (0.115 R)
• M8: 12,150,638 km (0.059 R)
• M9: 17,947,257 km (0.105 R)
• M10: 19,141,646 km (0.071 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 12,753 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit